package com.example.book.interceptor;

import com.example.book.constant.Constants;
import com.example.book.model.UserInfo;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 九转苍翎
 * Date: 2025/7/27
 * Time: 00:48
 */
@Slf4j
@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        log.info("LoginInterceptor:");
        HttpSession session = request.getSession(true);
        UserInfo userInfo = (UserInfo)session.getAttribute(Constants.USER_SESSION_KEY);
        if(userInfo == null || userInfo.getId() <= 0){
            response.setStatus(401);
            return false;
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
